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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 2007 UTC vs.
Revision 1.188 by root, Sat Jan 20 23:30:16 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.4 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME ||= time;	56	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
82		91
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
119	utf8::encode $msg;	135	utf8::encode $msg;
120		136
121	$msg .= "\n"	137	$msg .= "\n"
122	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
123		139
124	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
125	};	141	};
126	}	142	}
127		143
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151		167
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
		172	=item dumpval $ref
		173
160	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} || "[unable to dump $_[0]: '$@']";
		193	}
161		194
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		196
164	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
165		198
…		…
180		213
181	sub to_json($) {	214	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
184	}	217	}
		218
		219	=item cf::lock_wait $string
		220
		221	Wait until the given lock is available. See cf::lock_acquire.
		222
		223	=item my $lock = cf::lock_acquire $string
		224
		225	Wait until the given lock is available and then acquires it and returns
		226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		227	for example when the coroutine gets canceled), the lock is automatically
		228	returned.
		229
		230	Lock names should begin with a unique identifier (for example, cf::map::find
		231	uses map_find and cf::map::load uses map_load).
		232
		233	=cut
		234
		235	our %LOCK;
		236
		237	sub lock_wait($) {
		238	my ($key) = @_;
		239
		240	# wait for lock, if any
		241	while ($LOCK{$key}) {
		242	push @{ $LOCK{$key} }, $Coro::current;
		243	Coro::schedule;
		244	}
		245	}
		246
		247	sub lock_acquire($) {
		248	my ($key) = @_;
		249
		250	# wait, to be sure we are not locked
		251	lock_wait $key;
		252
		253	$LOCK{$key} = [];
		254
		255	Coro::guard {
		256	# wake up all waiters, to be on the safe side
		257	$_->ready for @{ delete $LOCK{$key} };
		258	}
		259	}
		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
185		282
186	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
187		284
188	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
205		302
206	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	304	# (but this is cancel-safe)
208	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
209		306
210	my $busy = 1;	307	my $busy = 1;
211	my @res;	308	my @res;
212		309
213	(Coro::async {	310	(async {
214	@res = eval { $job->() };	311	@res = eval { $job->() };
215	warn $@ if $@;	312	warn $@ if $@;
216	undef $busy;	313	undef $busy;
217	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
218		315
219	while ($busy) {	316	while ($busy) {
220	Coro::cede_notself;	317	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	318	}
223		319
224	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
225	} else {	321	} else {
226	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
227		323
228	$job->()	324	$job->()
229	}	325	}
230	}	326	}
231		327
232	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
233		329
234	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
236		332
237	=cut	333	=cut
238		334
239	sub coro(&) {	335	sub async_ext(&) {
240	my $cb = shift;	336	my $cb = shift;
241		337
242	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		339
249	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
251	});	342	});
252	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
258	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
259		350
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	352	or return;
262		353
		354	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	359	and return;
266		360
267	aio_fsync $fh	361	aio_fsync $fh
268	and return;	362	and return;
…		…
277	}	371	}
278		372
279	=back	373	=back
280		374
281	=cut	375	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		376
403	#############################################################################	377	#############################################################################
404		378
405	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
406		380
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	507	our @CB_MAP = ();
534		508
535	my %attachment;	509	my %attachment;
536		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
537	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
539		519
540	use sort 'stable';	520	use sort 'stable';
541		521
…		…
712	# object support	692	# object support
713		693
714	sub reattach {	694	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		699
718	my $registry = $obj->registry;	700	my $registry = $obj->registry;
719		701
720	@$registry = ();	702	@$registry = ();
721		703
…		…
853	=cut	835	=cut
854		836
855	sub register_extcmd {	837	sub register_extcmd {
856	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
857		839
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
862	}	841	}
863		842
864	cf::player->attach (	843	cf::player->attach (
865	on_command => sub {	844	on_command => sub {
866	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
879		858
880	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
881		860
882	if (ref $msg) {	861	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	865	}
887	}	866	}
888	} else {	867	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		870
892	cf::override;	871	cf::override;
893	},	872	},
894	);	873	);
895		874
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	875	sub load_extension {
903	my ($path) = @_;	876	my ($path) = @_;
904		877
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	879	my $base = $1;
907	my $pkg = $1;	880	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
910		883
911	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
912		885
913	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
914	or die "$path: $!";	887	or die "$path: $!";
915		888
916	my $source =	889	my $source =
917	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
920	. "\n};\n1";	893	. "\n};\n1";
921		894
922	eval $source	895	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	897	: "extension disabled.\n";
925		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	899	warn $@;
927	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
928		901	exit 1;
929	# no strict 'refs';	902	}
930	# @{"$pkg\::ISA"} = ext::;	903	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	904	}
945		905
946	# remove commands	906	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	907	}
971		908
972	sub load_extensions {	909	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	911	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
979	}	916	}
980	}	917	}
981		918
982	#############################################################################	919	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		920
1020	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1021		922
1022	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1023		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1024	=head3 cf::player	931	=head3 cf::player
1025		932
1026	=over 4	933	=over 4
1027		934
1028	=item cf::player::exists $login	935	=item cf::player::find $login
1029		936
1030	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1031		938
1032	=cut	939	=cut
1033		940
1034	sub cf::player::exists($) {	941	sub playerdir($) {
1035	cf::player::find $_[0]	942	cf::localdir
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1037	}	1088	}
1038		1089
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040		1091
1041	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1042		1093
1043	=cut	1094	=cut
1044		1095
1045	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1047		1098
1048	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1049		1100
1050	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1051	}	1102	}
		1103
		1104	package cf;
1052		1105
1053	=back	1106	=back
1054		1107
1055		1108
1056	=head3 cf::map	1109	=head3 cf::map
…		…
1062	package cf::map;	1115	package cf::map;
1063		1116
1064	use Fcntl;	1117	use Fcntl;
1065	use Coro::AIO;	1118	use Coro::AIO;
1066		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1067	our $MAX_RESET = 7200;	1124	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1125	our $DEFAULT_RESET = 3000;
1069		1126
1070	sub generate_random_map {	1127	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1130	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	# map plan:
		1182	#
		1183	# /! non-realised random map exit (special hack!)
		1184	# {... are special paths that are not being touched
		1185	# ?xxx/... are special absolute paths
		1186	# ?random/... random maps
		1187	# /... normal maps
		1188	# ~user/... per-player map of a specific user
		1189
		1190	$path =~ s/$PATH_SEP/\//go;
		1191
		1192	# treat it as relative path if it starts with
		1193	# something that looks reasonable
		1194	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1195	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1196
		1197	$base =~ s{[^/]+/?$}{};
		1198	$path = "$base/$path";
		1199	}
		1200
		1201	for ($path) {
		1202	redo if s{//}{/};
		1203	redo if s{/\.?/}{/};
		1204	redo if s{/[^/]+/\.\./}{/};
		1205	}
		1206
		1207	$path
		1208	}
		1209
		1210	sub new_from_path {
		1211	my (undef, $path, $base) = @_;
		1212
		1213	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1214
		1215	$path = normalise $path, $base;
		1216
		1217	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1218	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1219	my $self = bless cf::map::new, $pkg;
		1220	$self->{path} = $path; $self->path ($path);
		1221	$self->init; # pass $1 etc.
		1222	return $self;
		1223	}
		1224	}
		1225
		1226	Carp::carp "unable to resolve path '$path'.";
		1227	()
		1228	}
		1229
		1230	sub init {
		1231	my ($self) = @_;
		1232
		1233	$self
		1234	}
		1235
		1236	sub as_string {
		1237	my ($self) = @_;
		1238
		1239	"$self->{path}"
		1240	}
		1241
		1242	# the displayed name, this is a one way mapping
		1243	sub visible_name {
		1244	&as_string
		1245	}
		1246
		1247	# the original (read-only) location
		1248	sub load_path {
		1249	my ($self) = @_;
		1250
		1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1252	}
		1253
		1254	# the temporary/swap location
		1255	sub save_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1260	}
		1261
		1262	# the unique path, undef == no special unique path
		1263	sub uniq_path {
		1264	my ($self) = @_;
		1265
		1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1087	}	1268	}
1088		1269
1089	# and all this just because we cannot iterate over	1270	# and all this just because we cannot iterate over
1090	# all maps in C++...	1271	# all maps in C++...
1091	sub change_all_map_light {	1272	sub change_all_map_light {
1092	my ($change) = @_;	1273	my ($change) = @_;
1093		1274
1094	$_->change_map_light ($change) for values %cf::MAP;	1275	$_->change_map_light ($change)
		1276	for grep $_->outdoor, values %cf::MAP;
1095	}	1277	}
1096		1278
		1279	sub unlink_save {
		1280	my ($self) = @_;
		1281
		1282	utf8::encode (my $save = $self->save_path);
		1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1284	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1285	}
		1286
1097	sub try_load_header($) {	1287	sub load_header_from($) {
1098	my ($path) = @_;	1288	my ($self, $path) = @_;
1099		1289
1100	utf8::encode $path;	1290	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1102	or return;	1292	or return;
1103		1293
1104	my $map = cf::map::new	1294	$self->_load_header ($path)
1105	or return;	1295	or return;
1106		1296
1107	$map->load_header ($path)	1297	$self->{load_path} = $path;
		1298
		1299	1
		1300	}
		1301
		1302	sub load_header_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_header_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub prepare_temp {
		1315	my ($self) = @_;
		1316
		1317	$self->last_access ((delete $self->{last_access})
		1318	|| $cf::RUNTIME); #d#
		1319	# safety
		1320	$self->{instantiate_time} = $cf::RUNTIME
		1321	if $self->{instantiate_time} > $cf::RUNTIME;
		1322	}
		1323
		1324	sub prepare_orig {
		1325	my ($self) = @_;
		1326
		1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
		1332
		1333	sub load_header {
		1334	my ($self) = @_;
		1335
		1336	if ($self->load_header_temp) {
		1337	$self->prepare_temp;
		1338	} else {
		1339	$self->load_header_orig
1108	or return;	1340	or return;
		1341	$self->prepare_orig;
		1342	}
1109		1343
1110	$map->{load_path} = $path;	1344	1
1111
1112	$map
1113	}	1345	}
1114		1346
		1347	sub find;
1115	sub find_map {	1348	sub find {
1116	my ($path, $origin) = @_;	1349	my ($path, $origin) = @_;
1117		1350
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1351	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1352
		1353	cf::lock_wait "map_find:$path";
		1354
1123	$cf::MAP{$key} || do {	1355	$cf::MAP{$path} || do {
1124	# do it the slow way	1356	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1357	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1358	or return;
1139		1359
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1360	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);	1361
		1362	$map->load_header
		1363	or return;
1153		1364
1154	if ($map->should_reset) {	1365	if ($map->should_reset) {
		1366	# doing this can freeze the server in a sync job, obviously
		1367	#$cf::WAIT_FOR_TICK->wait;
1155	$map->reset;	1368	$map->reset;
		1369	undef $guard;
1156	$map = find_map $path;	1370	$map = find $path
		1371	or return;
1157	}	1372	}
1158		1373
1159	$cf::MAP{$key} = $map	1374	$cf::MAP{$path} = $map
1160	}	1375	}
1161	}	1376	}
		1377
		1378	sub pre_load { }
		1379	sub post_load { }
1162		1380
1163	sub load {	1381	sub load {
1164	my ($self) = @_;	1382	my ($self) = @_;
1165		1383
		1384	my $path = $self->{path};
		1385	my $guard = cf::lock_acquire "map_load:$path";
		1386
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1387	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1388
1168	$self->in_memory (cf::MAP_LOADING);	1389	$self->in_memory (cf::MAP_LOADING);
1169		1390
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1391	$self->alloc;
		1392
		1393	$self->pre_load;
		1394
1173	$self->load_objects ($self->{load_path}, 1)	1395	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1396	or return;
1175		1397
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1399	if delete $self->{load_original};
1178		1400
1179	if (my $uniq = $path->uniq_path) {	1401	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1402	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1403	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1404	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1405	$self->_load_objects ($uniq, 0);
1184	}	1406	}
1185	}	1407	}
		1408
		1409	Coro::cede;
1186		1410
1187	# now do the right thing for maps	1411	# now do the right thing for maps
1188	$self->link_multipart_objects;	1412	$self->link_multipart_objects;
1189		1413
1190	if ($self->{path}->is_style_map) {	1414	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1415	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1416	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1417	$self->update_buttons;
		1418	Coro::cede;
1197	$self->set_darkness_map;	1419	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1420	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1421	unless $self->difficulty;
		1422	Coro::cede;
1200	$self->activate;	1423	$self->activate;
1201	}	1424	}
1202		1425
		1426	$self->post_load;
		1427
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1428	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1429	}
1205		1430
1206	sub load_map_sync {	1431	sub customise_for {
		1432	my ($self, $ob) = @_;
		1433
		1434	return find "~" . $ob->name . "/" . $self->{path}
		1435	if $self->per_player;
		1436
		1437	$self
		1438	}
		1439
		1440	# find and load all maps in the 3x3 area around a map
		1441	sub load_diag {
		1442	my ($map) = @_;
		1443
		1444	my @diag; # diagonal neighbours
		1445
		1446	for (0 .. 3) {
		1447	my $neigh = $map->tile_path ($_)
		1448	or next;
		1449	$neigh = find $neigh, $map
		1450	or next;
		1451	$neigh->load;
		1452
		1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1455	}
		1456
		1457	for (@diag) {
		1458	my $neigh = find @$_
		1459	or next;
		1460	$neigh->load;
		1461	}
		1462	}
		1463
		1464	sub find_sync {
1207	my ($path, $origin) = @_;	1465	my ($path, $origin) = @_;
1208		1466
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1467	cf::sync_job { find $path, $origin }
		1468	}
1210		1469
1211	cf::sync_job {	1470	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1471	my ($map) = @_;
1213	or return;	1472
		1473	cf::sync_job { $map->load };
		1474	}
		1475
		1476	our %MAP_PREFETCH;
		1477	our $MAP_PREFETCHER = undef;
		1478
		1479	sub find_async {
		1480	my ($path, $origin) = @_;
		1481
		1482	$path = normalise $path, $origin && $origin->{path};
		1483
		1484	if (my $map = $cf::MAP{$path}) {
		1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1486	}
		1487
		1488	undef $MAP_PREFETCH{$path};
		1489	$MAP_PREFETCHER ||= cf::async {
		1490	while (%MAP_PREFETCH) {
		1491	for my $path (keys %MAP_PREFETCH) {
		1492	my $map = find $path
		1493	or next;
1214	$map->load;	1494	$map->load;
1215	$map	1495
		1496	delete $MAP_PREFETCH{$path};
		1497	}
		1498	}
		1499	undef $MAP_PREFETCHER;
1216	}	1500	};
		1501
		1502	()
1217	}	1503	}
1218		1504
1219	sub save {	1505	sub save {
1220	my ($self) = @_;	1506	my ($self) = @_;
1221		1507
		1508	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1509
1222	$self->{last_save} = $cf::RUNTIME;	1510	$self->{last_save} = $cf::RUNTIME;
1223		1511
1224	return unless $self->dirty;	1512	return unless $self->dirty;
1225		1513
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1514	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1515	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1516
1229	$self->{load_path} = $save;	1517	$self->{load_path} = $save;
1230		1518
1231	return if $self->{deny_save};	1519	return if $self->{deny_save};
1232		1520
		1521	local $self->{last_access} = $self->last_access;#d#
		1522
		1523	cf::async {
		1524	$_->contr->save for $self->players;
		1525	};
		1526
1233	if ($uniq) {	1527	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1528	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1529	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1530	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1531	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1532	}
1239	}	1533	}
1240		1534
1241	sub swap_out {	1535	sub swap_out {
1242	my ($self) = @_;	1536	my ($self) = @_;
		1537
		1538	# save first because save cedes
		1539	$self->save;
		1540
		1541	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1542
1244	return if $self->players;	1543	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1544	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1545	return if $self->{deny_save};
1247		1546
1248	$self->save;
1249	$self->clear;	1547	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1548	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1549	}
1252		1550
1253	sub reset_at {	1551	sub reset_at {
1254	my ($self) = @_;	1552	my ($self) = @_;
1255		1553
1256	# TODO: safety, remove and allow resettable per-player maps	1554	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1555	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1556	return 1e99 if $self->{deny_reset};
1259		1557
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1558	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1559	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1560
…		…
1267	my ($self) = @_;	1565	my ($self) = @_;
1268		1566
1269	$self->reset_at <= $cf::RUNTIME	1567	$self->reset_at <= $cf::RUNTIME
1270	}	1568	}
1271		1569
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1570	sub reset {
1294	my ($self) = @_;	1571	my ($self) = @_;
1295		1572
		1573	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1574
1296	return if $self->players;	1575	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1576	return if $self->isa ("ext::map_per_player");#d#
1298		1577
1299	warn "resetting map ", $self->path;#d#	1578	warn "resetting map ", $self->path;#d#
1300		1579
1301	delete $cf::MAP{$self->path};	1580	delete $cf::MAP{$self->path};
		1581
		1582	$self->in_memory (cf::MAP_SWAPPED);
		1583	$self->clear;
1302		1584
1303	$_->clear_links_to ($self) for values %cf::MAP;	1585	$_->clear_links_to ($self) for values %cf::MAP;
1304		1586
1305	$self->unlink_save;	1587	$self->unlink_save;
1306	$self->destroy;	1588	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1591	my $nuke_counter = "aaaa";
1310		1592
1311	sub nuke {	1593	sub nuke {
1312	my ($self) = @_;	1594	my ($self) = @_;
1313		1595
		1596	delete $cf::MAP{$self->path};
		1597
		1598	$self->unlink_save;
		1599
		1600	bless $self, "cf::map";
		1601	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1602	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1603	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1604	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1605
		1606	$cf::MAP{$self->path} = $self;
		1607
1317	$self->reset; # polite request, might not happen	1608	$self->reset; # polite request, might not happen
1318	}	1609	}
1319		1610
1320	sub customise_for {	1611	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1612
1323	if ($map->per_player) {	1613	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1614	instantiated unique items. May block.
1325	}
1326		1615
1327	$map	1616	=cut
1328	}
1329		1617
1330	sub emergency_save {	1618	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1620	or return;
1332		1621
1333	warn "enter emergency map save\n";	1622	my @paths;
1334		1623
1335	cf::sync_job {	1624	for (@$files) {
1336	warn "begin emergency map save\n";	1625	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1626	next if /\.pst$/;
		1627	next unless /^$PATH_SEP/o;
		1628
		1629	s/\.map$//;
		1630	push @paths, $_;
1338	};	1631	}
1339		1632
1340	warn "end emergency map save\n";	1633	\@paths
1341	}	1634	}
1342		1635
1343	package cf;	1636	package cf;
1344		1637
1345	=back	1638	=back
1346		1639
		1640	=head3 cf::object
		1641
		1642	=cut
		1643
		1644	package cf::object;
		1645
		1646	=over 4
		1647
		1648	=item $ob->inv_recursive
		1649
		1650	Returns the inventory of the object _and_ their inventories, recursively.
		1651
		1652	=cut
		1653
		1654	sub inv_recursive_;
		1655	sub inv_recursive_ {
		1656	map { $_, inv_recursive_ $_->inv } @_
		1657	}
		1658
		1659	sub inv_recursive {
		1660	inv_recursive_ inv $_[0]
		1661	}
		1662
		1663	package cf;
		1664
		1665	=back
1347		1666
1348	=head3 cf::object::player	1667	=head3 cf::object::player
1349		1668
1350	=over 4	1669	=over 4
1351		1670
…		…
1391		1710
1392	=item $player_object->enter_link	1711	=item $player_object->enter_link
1393		1712
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1713	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1714
1396	The player should be reaosnably safe there for short amounts of time. You	1715	The player should be reasonably safe there for short amounts of time. You
1397	I<MUST> call C<leave_link> as soon as possible, though.	1716	I<MUST> call C<leave_link> as soon as possible, though.
1398		1717
		1718	Will never block.
		1719
1399	=item $player_object->leave_link ($map, $x, $y)	1720	=item $player_object->leave_link ($map, $x, $y)
1400		1721
1401	Moves the player out of the specila link map onto the given map. If the	1722	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1723	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1724	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1725	fails, to the emergency map position.
1405		1726
1406	Might block.	1727	Might block.
1407		1728
1408	=cut	1729	=cut
		1730
		1731	sub link_map {
		1732	unless ($LINK_MAP) {
		1733	$LINK_MAP = cf::map::find "{link}"
		1734	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1735	$LINK_MAP->load;
		1736	}
		1737
		1738	$LINK_MAP
		1739	}
1409		1740
1410	sub cf::object::player::enter_link {	1741	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1742	my ($self) = @_;
1412		1743
1413	return if $self->map == $LINK_MAP;	1744	$self->deactivate_recursive;
1414		1745
		1746	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1747
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1749	if $self->map;
1417		1750
1418	$self->enter_map ($LINK_MAP, 20, 20);	1751	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1419	$self->deactivate_recursive;
1420	}	1752	}
1421		1753
1422	sub cf::object::player::leave_link {	1754	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1755	my ($self, $map, $x, $y) = @_;
1424		1756
1425	my $link_pos = delete $self->{_link_pos};	1757	my $link_pos = delete $self->{_link_pos};
1426		1758
1427	unless ($map) {	1759	unless ($map) {
1428	# restore original map position	1760	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1761	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1762	$map = cf::map::find $map;
1431		1763
1432	unless ($map) {	1764	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1765	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1766	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1767	or die "FATAL: cannot load emergency map\n";
1436	}	1768	}
1437	}	1769	}
1438		1770
1439	($x, $y) = (-1, -1)	1771	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1774	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1775	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1776	if $x <=0 && $y <= 0;
1445		1777
1446	$map->load;	1778	$map->load;
		1779	$map->load_diag;
1447		1780
		1781	return unless $self->contr->active;
1448	$self->activate_recursive;	1782	$self->activate_recursive;
1449	$self->enter_map ($map, $x, $y);	1783	$self->enter_map ($map, $x, $y);
1450	}	1784	}
1451		1785
		1786	cf::player->attach (
		1787	on_logout => sub {
		1788	my ($pl) = @_;
		1789
		1790	# abort map switching before logout
		1791	if ($pl->ob->{_link_pos}) {
		1792	cf::sync_job {
		1793	$pl->ob->leave_link
		1794	};
		1795	}
		1796	},
		1797	on_login => sub {
		1798	my ($pl) = @_;
		1799
		1800	# try to abort aborted map switching on player login :)
		1801	# should happen only on crashes
		1802	if ($pl->ob->{_link_pos}) {
		1803	$pl->ob->enter_link;
		1804	(async {
		1805	# we need this sleep as the login has a concurrent enter_exit running
		1806	# and this sleep increases chances of the player not ending up in scorn
		1807	$pl->ob->reply (undef,
		1808	"There was an internal problem at your last logout, "
		1809	. "the server will try to bring you to your intended destination in a second.",
		1810	cf::NDI_RED);
		1811	Coro::Timer::sleep 1;
		1812	$pl->ob->leave_link;
		1813	})->prio (2);
		1814	}
		1815	},
		1816	);
		1817
1452	=item $player_object->goto_map ($path, $x, $y)	1818	=item $player_object->goto ($path, $x, $y)
1453		1819
1454	=cut	1820	=cut
1455		1821
1456	sub cf::object::player::goto_map {	1822	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1823	my ($self, $path, $x, $y) = @_;
1458		1824
1459	$self->enter_link;	1825	$self->enter_link;
1460		1826
1461	(Coro::async {	1827	(async {
1462	$path = new cf::path $path;
1463
1464	my $map = cf::map::find_map $path->as_string;	1828	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1829	$map = $map->customise_for ($self) if $map;
1466		1830
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1831	# warn "entering ", $map->path, " at ($x, $y)\n"
1468	# if $map;	1832	# if $map;
1469		1833
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1834	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1835
1472	$self->leave_link ($map, $x, $y);	1836	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1837	})->prio (1);
1474	}	1838	}
1475		1839
…		…
1479		1843
1480	sub parse_random_map_params {	1844	sub parse_random_map_params {
1481	my ($spec) = @_;	1845	my ($spec) = @_;
1482		1846
1483	my $rmp = { # defaults	1847	my $rmp = { # defaults
1484	xsize => 10,	1848	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1849	ysize => (cf::rndm 15, 40),
		1850	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1851	#layout => string,
1486	};	1852	};
1487		1853
1488	for (split /\n/, $spec) {	1854	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1855	my ($k, $v) = split /\s+/, $_, 2;
1490		1856
…		…
1494	$rmp	1860	$rmp
1495	}	1861	}
1496		1862
1497	sub prepare_random_map {	1863	sub prepare_random_map {
1498	my ($exit) = @_;	1864	my ($exit) = @_;
		1865
		1866	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1867
1500	# all this does is basically replace the /! path by	1868	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1869	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1870	# that depends on the exit object
1503		1871
…		…
1512		1880
1513	$rmp->{random_seed} ||= $exit->random_seed;	1881	$rmp->{random_seed} ||= $exit->random_seed;
1514		1882
1515	my $data = cf::to_json $rmp;	1883	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1884	my $md5 = Digest::MD5::md5_hex $data;
		1885	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1886
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1887	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	1888	aio_write $fh, 0, (length $data), $data, 0;
		1889	undef $fh;
		1890	aio_rename "$meta~", $meta;
1520		1891
1521	$exit->slaying ("?random/$md5");	1892	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1893	$exit->msg (undef);
1523	}	1894	}
1524	}	1895	}
…		…
1528		1899
1529	return unless $self->type == cf::PLAYER;	1900	return unless $self->type == cf::PLAYER;
1530		1901
1531	$self->enter_link;	1902	$self->enter_link;
1532		1903
1533	(Coro::async {	1904	(async {
		1905	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1906	unless (eval {
1535
1536	prepare_random_map $exit	1907	prepare_random_map $exit
1537	if $exit->slaying eq "/!";	1908	if $exit->slaying eq "/!";
1538		1909
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1910	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1911	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1541		1912
1542	1;	1913	1;
1543	}) {	1914	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1915	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1916	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1917	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1918	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1919
1549	warn "ERROR in enter_exit: $@";	1920	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1921	$self->leave_link;
1551	}	1922	}
…		…
1602	on_reply => sub {	1973	on_reply => sub {
1603	my ($ns, $msg) = @_;	1974	my ($ns, $msg) = @_;
1604		1975
1605	# this weird shuffling is so that direct followup queries	1976	# this weird shuffling is so that direct followup queries
1606	# get handled first	1977	# get handled first
1607	my $queue = delete $ns->{query_queue};	1978	my $queue = delete $ns->{query_queue}
		1979	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		1980
1609	(shift @$queue)->[1]->($msg);	1981	(shift @$queue)->[1]->($msg);
1610		1982
1611	push @{ $ns->{query_queue} }, @$queue;	1983	push @{ $ns->{query_queue} }, @$queue;
1612		1984
…		…
1618	}	1990	}
1619	}	1991	}
1620	},	1992	},
1621	);	1993	);
1622		1994
1623	=item $client->coro (\&cb)	1995	=item $client->async (\&cb)
1624		1996
1625	Create a new coroutine, running the specified callback. The coroutine will	1997	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	1998	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	1999	or loss of connection).
1628		2000
1629	=cut	2001	=cut
1630		2002
1631	sub cf::client::coro {	2003	sub cf::client::async {
1632	my ($self, $cb) = @_;	2004	my ($self, $cb) = @_;
1633		2005
1634	my $coro; $coro = async {	2006	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2007
1641	$coro->on_destroy (sub {	2008	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2009	delete $self->{_coro}{$coro+0};
1643	});	2010	});
1644		2011
…		…
1816		2183
1817	{	2184	{
1818	my $path = cf::localdir . "/database.pst";	2185	my $path = cf::localdir . "/database.pst";
1819		2186
1820	sub db_load() {	2187	sub db_load() {
1821	warn "loading database $path\n";#d# remove later
1822	$DB = stat $path ? Storable::retrieve $path : { };	2188	$DB = stat $path ? Storable::retrieve $path : { };
1823	}	2189	}
1824		2190
1825	my $pid;	2191	my $pid;
1826		2192
1827	sub db_save() {	2193	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;	2194	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {	2195	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;	2196	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";	2197	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;	2198	rename "$path~", $path;
…		…
1840	sub db_sync() {	2205	sub db_sync() {
1841	db_save if $dirty;	2206	db_save if $dirty;
1842	undef $dirty;	2207	undef $dirty;
1843	}	2208	}
1844		2209
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2210	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1846	db_sync;	2211	db_sync;
1847	});	2212	});
1848		2213
1849	sub db_dirty() {	2214	sub db_dirty() {
1850	$dirty = 1;	2215	$dirty = 1;
…		…
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2246	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2247	or return;
1883		2248
1884	local $/;	2249	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2250	*CFG = YAML::Syck::Load <$fh>;
		2251
		2252	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2253
		2254	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2255	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2256
		2257	if (exists $CFG{mlockall}) {
		2258	eval {
		2259	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2260	and die "WARNING: m(un)lockall failed: $!\n";
		2261	};
		2262	warn $@ if $@;
		2263	}
1886	}	2264	}
1887		2265
1888	sub main {	2266	sub main {
1889	# we must not ever block the main coroutine	2267	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2268	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2269	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2270	(async {
1893	Event::one_event;	2271	Event::one_event;
1894	})->();	2272	})->prio (Coro::PRIO_MAX);
1895	};	2273	};
1896		2274
1897	cfg_load;	2275	cfg_load;
1898	db_load;	2276	db_load;
1899	load_extensions;	2277	load_extensions;
		2278
		2279	$TICK_WATCHER->start;
1900	Event::loop;	2280	Event::loop;
1901	}	2281	}
1902		2282
1903	#############################################################################	2283	#############################################################################
1904	# initialisation	2284	# initialisation and cleanup
		2285
		2286	# install some emergency cleanup handlers
		2287	BEGIN {
		2288	for my $signal (qw(INT HUP TERM)) {
		2289	Event->signal (
		2290	data => WF_AUTOCANCEL,
		2291	signal => $signal,
		2292	cb => sub {
		2293	cf::cleanup "SIG$signal";
		2294	},
		2295	);
		2296	}
		2297	}
		2298
		2299	sub emergency_save() {
		2300	my $freeze_guard = cf::freeze_mainloop;
		2301
		2302	warn "enter emergency perl save\n";
		2303
		2304	cf::sync_job {
		2305	# use a peculiar iteration method to avoid tripping on perl
		2306	# refcount bugs in for. also avoids problems with players
		2307	# and maps saved/destroyed asynchronously.
		2308	warn "begin emergency player save\n";
		2309	for my $login (keys %cf::PLAYER) {
		2310	my $pl = $cf::PLAYER{$login} or next;
		2311	$pl->valid or next;
		2312	$pl->save;
		2313	}
		2314	warn "end emergency player save\n";
		2315
		2316	warn "begin emergency map save\n";
		2317	for my $path (keys %cf::MAP) {
		2318	my $map = $cf::MAP{$path} or next;
		2319	$map->valid or next;
		2320	$map->save;
		2321	}
		2322	warn "end emergency map save\n";
		2323	};
		2324
		2325	warn "leave emergency perl save\n";
		2326	}
1905		2327
1906	sub reload() {	2328	sub reload() {
1907	# can/must only be called in main	2329	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2330	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2331	warn "can only reload from main coroutine";
1910	return;	2332	return;
1911	}	2333	}
1912		2334
1913	warn "reloading...";	2335	warn "reloading...";
1914		2336
1915	local $FREEZE = 1;	2337	warn "cancelling server ticker";
		2338	$TICK_WATCHER->cancel;
		2339
1916	cf::emergency_save;	2340	cf::emergency_save;
1917		2341
1918	eval {	2342	eval {
1919	# if anything goes wrong in here, we should simply crash as we already saved	2343	# if anything goes wrong in here, we should simply crash as we already saved
1920		2344
1921	# cancel all watchers	2345	warn "syncing database to disk";
		2346	cf::db_sync;
		2347
		2348	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2349	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2350	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2351	}
1925		2352
		2353	warn "flushing outstanding aio requests";
		2354	for (;;) {
		2355	IO::AIO::flush;
		2356	Coro::cede;
		2357	last unless IO::AIO::nreqs;
		2358	warn "iterate...";
		2359	}
		2360
1926	# cancel all extension coros	2361	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2362	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2363	%EXT_CORO = ();
1929		2364
1930	# unload all extensions	2365	warn "removing commands";
1931	for (@exts) {	2366	%COMMAND = ();
		2367
		2368	warn "removing ext commands";
		2369	%EXTCMD = ();
		2370
		2371	warn "unloading/nuking all extensions";
		2372	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2373	warn "... unloading $pkg";
1933	unload_extension $_;	2374
		2375	if (my $cb = $pkg->can ("unload")) {
		2376	eval {
		2377	$cb->($pkg);
		2378	1
		2379	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2380	}
1935		2381
		2382	warn "... nuking $pkg";
		2383	Symbol::delete_package $pkg;
		2384	}
		2385
1936	# unload all modules loaded from $LIBDIR	2386	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2387	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2388	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2389
1940	warn "removing <$k>";	2390	warn "... unloading $k";
1941	delete $INC{$k};	2391	delete $INC{$k};
1942		2392
1943	$k =~ s/\.pm$//;	2393	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2394	$k =~ s/\//::/g;
1945		2395
…		…
1948	}	2398	}
1949		2399
1950	Symbol::delete_package $k;	2400	Symbol::delete_package $k;
1951	}	2401	}
1952		2402
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2403	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2404	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2405	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2406
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2407	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2408	delete $INC{"cf.pm"};
1966		2409
1967	# don't, removes xs symbols, too,	2410	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2411	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2412	#Symbol::delete_package __PACKAGE__;
1970		2413
1971	# reload cf.pm	2414	warn "unload completed, starting to reload now";
		2415
1972	warn "reloading cf.pm";	2416	warn "reloading cf.pm";
1973	require cf;	2417	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2418	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2419
1976	# load config and database again	2420	warn "loading config and database again";
1977	cf::cfg_load;	2421	cf::cfg_load;
1978	cf::db_load;	2422	cf::db_load;
1979		2423
1980	# load extensions
1981	warn "load extensions";	2424	warn "loading extensions";
1982	cf::load_extensions;	2425	cf::load_extensions;
1983		2426
1984	# reattach attachments to objects	2427	warn "reattaching attachments to objects/players";
1985	warn "reattach";
1986	_global_reattach;	2428	_global_reattach;
		2429	warn "reattaching attachments to maps";
		2430	reattach $_ for values %MAP;
		2431
		2432	warn "restarting server ticker";
		2433
		2434	$TICK_WATCHER->start;
1987	};	2435	};
1988		2436
1989	if ($@) {	2437	if ($@) {
1990	warn $@;	2438	warn $@;
1991	warn "error while reloading, exiting.";	2439	warn "error while reloading, exiting.";
1992	exit 1;	2440	exit 1;
1993	}	2441	}
1994		2442
1995	warn "reloaded successfully";	2443	warn "reloaded";
1996	};	2444	};
1997		2445
1998	#############################################################################	2446	our $RELOAD_WATCHER; # used only during reload
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2447
2043	register_command "reload" => sub {	2448	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2449	my ($who, $arg) = @_;
2045		2450
2046	if ($who->flag (FLAG_WIZ)) {	2451	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2452	$who->message ("reloading server.");
		2453
		2454	# doing reload synchronously and two reloads happen back-to-back,
		2455	# coro crashes during coro_state_free->destroy here.
		2456
		2457	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2048	reload;	2458	reload;
2049	$who->message ("end of reload.");	2459	undef $RELOAD_WATCHER;
		2460	});
2050	}	2461	}
2051	};	2462	};
2052		2463
2053	unshift @INC, $LIBDIR;	2464	unshift @INC, $LIBDIR;
		2465
		2466	my $bug_warning = 0;
2054		2467
2055	$TICK_WATCHER = Event->timer (	2468	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2469	reentrant => 0,
		2470	parked => 1,
2057	prio => 0,	2471	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2472	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2473	data => WF_AUTOCANCEL,
2060	cb => sub {	2474	cb => sub {
2061	unless ($FREEZE) {	2475	if ($Coro::current != $Coro::main) {
		2476	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2477	unless ++$bug_warning > 10;
		2478	return;
		2479	}
		2480
		2481	$NOW = Event::time;
		2482
2062	cf::server_tick; # one server iteration	2483	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2484	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2485	$NEXT_TICK += $TICK;
		2486
		2487	$WAIT_FOR_TICK->broadcast;
		2488	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2067		2489
2068	# if we are delayed by four ticks or more, skip them all	2490	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2491	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2492
2071	$TICK_WATCHER->at ($NEXT_TICK);	2493	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2073	},	2495	},
2074	);	2496	);
2075		2497
2076	IO::AIO::max_poll_time $TICK * 0.2;	2498	IO::AIO::max_poll_time $TICK * 0.2;
2077		2499
2078	Event->io (	2500	$AIO_POLL_WATCHER = Event->io (
2079	fd => IO::AIO::poll_fileno,	2501	fd => IO::AIO::poll_fileno,
2080	poll => 'r',	2502	poll => 'r',
2081	prio => 5,	2503	prio => 5,
2082	data => WF_AUTOCANCEL,	2504	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,	2505	cb => \&IO::AIO::poll_cb,
2084	);	2506	);
2085		2507
2086	Event->timer (	2508	$WRITE_RUNTIME_WATCHER = Event->timer (
2087	data => WF_AUTOCANCEL,	2509	data => WF_AUTOCANCEL,
2088	after => 0,	2510	after => 1,
2089	interval => 10,	2511	interval => 10,
2090	cb => sub {	2512	prio => 6, # keep it lowest so it acts like a watchdog
2091	(Coro::unblock_sub {	2513	cb => Coro::unblock_sub {
2092	write_runtime	2514	write_runtime
2093	or warn "ERROR: unable to write runtime file: $!";	2515	or warn "ERROR: unable to write runtime file: $!";
2094	})->();
2095	},	2516	},
2096	);	2517	);
2097		2518
		2519	END { cf::emergency_save }
		2520
2098	1	2521	1
2099		2522

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